July 9 may be one of the shortest days of your life as the Earth's accelerating rotation is expected to make tomorrow fly by quicker than ever before.

Objectives This study aimed to derive and validate a cut-off for severe disease activity (SDA) using the SLE Disease Activity Score (SLE-DAS) and compare its accuracy and impact on health-related ...

Jeneen Interlandi, a domestic correspondent for Opinion and a staff writer at the magazine, writes frequently about public health. For this article, she interviewed dozens of people who have worked ...

Scientists have revealed the most scientifically accurate reconstructions of what ancient humans would have looked like.

In the late 18th and 19th centuries, the Industrial Revolution created demand for stronger, more reliable materials for machines, railroads, ships and infrastructure. The material that emerged was ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

Direct-to-consumer biological age tests promise insights into how your body is aging, but experts say they should be taken ...

However, the gravitational influence of the sun, the moon and even Jupiter causes minute fluctuations in the shape and speed of Earth's orbit from year to year. In 2025, this will result in a ...

D models of sharks reveal that their body shape scales with geometric precision, supporting a core biological law across size ...

How rivers shape coral reefs The researchers propose two ways that rivers could shape coral: reef incision and reef encroachment. Reef incision happens when sea levels are low and rivers can flow ...